Jenny Lake Loop: 7.1mi, 1,040ft Gain

A trail travels through bushes along a lakeshore towards a mountain range.

This 7.1-mile loop circles Jenny Lake with relentless views of the Cathedral Group (Mount Owen, the Grand Teton, Teewinot) rising directly above the water. The elevation gain is moderate—1,040 feet spread over 7 miles—but don't mistake that for easy: roots, exposed rock, and narrow sections demand constant foot placement, and the west-side descent will punish your knees. The payoff is real: intimate alpine scenery, optional detours to Hidden Falls and Inspiration Point, and moose sightings near Moose Ponds. One critical warning: parking fills by 9am mid-summer; arrive by 7am or prepare to watch from the lot.

Quick facts

Distance Miles: 7.1
Route Type: Loop
Difficulty Level: Moderate—doable for fit day-hikers, but terrain demands focus
Elevation Gain Feet: 1040

Trail profile

Distance Miles: 7.1
Route Type: Loop
Difficulty Level: Moderate—doable for fit day-hikers, but terrain demands focus
Elevation Gain Feet: 1040
Estimated Time: 3–5 hours depending on pace and photo stops
Trail Surface: Dirt trail with roots, exposed rock, and narrow sections; 6% average slope
Trail Features: Cathedral Group views (Mount Owen, Grand Teton, Teewinot)
Jenny Lake shoreline
Cascade Canyon vistas
String Lake bridge crossing
Moose Ponds wildlife viewing area
Alpine lake reflections
Trail Highlights: Hike around Jenny Lake with Cathedral Group views and optional side trips to Hidden Falls, Inspiration Point, and Cascade Canyon. Moose and beaver frequently sighted near Moose Ponds.

Trailhead & access

Trailhead Location: Jenny Lake Trailhead. Drive down Teton Park Road and turn at South Jenny Lake. Arrive by 9am to guarantee parking in the main lot.
Parking Fill Time: By 8:30–9am mid-summer (July-August); later in shoulder season (May-June, September)
Shuttle Required: 0
Shuttle Details: None required

Permits & conditions

Permit Details: None required for day hikes
Fees: $35 (park entrance fee—private vehicle, 7-day pass)
Trail Status: Open
Seasonal Closures: Typically November through April due to heavy snow and Teton Park Road closure

Facilities & rules

Restrooms At Trailhead: 0
Water Sources: No reliable water on the trail. Filter at creeks near Hidden Falls or Inspiration Point junctions. Carry 1.5–2L from the trailhead.
Accessibility: Dirt trail, narrow in sections, with obstacles including roots, exposed rock, and slight elevation changes. Average slope of 6%. Requires stable footing and moderate fitness. Not wheelchair accessible.

Safety & strategy

Hazards: Root and rock obstacles throughout
Narrow sections with exposure
Steep west-side descent
Creek crossings
Moose in Moose Ponds area
Weather exposure on open sections
Full sun with minimal shade
Hazard Details: Root and rock obstacles throughout require constant foot placement focus. Narrow trail sections on the north shore demand sure footing. The west-side descent is steep, rooty, and hard on knees—trekking poles essential. Creek crossings near Hidden Falls and Inspiration Point. Moose frequent Moose Ponds area, especially early morning and dusk—maintain 50+ yards distance and back away if approached.
Cell Service: Limited to spotty; expect dead zones on most of the loop. Carry a whistle for emergencies.
Crowd Level: Busy to very crowded mid-summer; expect 50–200 hikers on nice days, especially weekends
Peak Crowd Times: Mid-summer (July-August), weekends, mid-morning through mid-afternoon
Best Season: Spring (May-June), Summer (July-August), Fall (September-early October)
Best Time To Visit: Arrive by 6:30am mid-summer (July-August) to secure parking. May-June offer stable weather and manageable crowds; start by 8am. Late September brings fall color but earlier snow risk. Avoid November-April; Teton Park Road is closed by heavy snow.
Tips Advice: Bring 2L water minimum—the trail is exposed and water sources are minimal beyond junctions
Arrive by 6:30am mid-summer or parking will be full by 8:30am
Trekking poles are non-optional on the descent (steep, rooty, hard on knees)
Make noise in Moose Ponds area—moose are territorial; back away if approached
Narrow sections demand focused footing; stay alert to roots, rocks, and exposure
Carry a whistle; cell service is spotty to nonexistent on most of the loop
Apply sunscreen and hat; full-sun exposure on the north shore, no shade
Start with an empty bladder to save weight; filtered water is available near Hidden Falls junction

More details

Park Area: Jenny Lake
Trail Markers: Well-marked trail with clear junctions for Hidden Falls, Inspiration Point, and Cascade Canyon side trips
Dogs Allowed: Not permitted
Shade Level: Mixed exposure. Full sun on the north and west shores; partial shade on the east shore near forest edges
Emergency Contacts: Grand Teton Dispatch: 307-739-3300 (emergencies from park phones). Carry a whistle as backup communication.
Map Recommended: 1
Snow Dates: Typically November through May due to heavy snow
Mud Season: April and early May as snowmelt creates runoff and muddy sections
Fall Colors Peak: Late September through early October
Bug Season: Mid-July through early September for mosquitoes near water and meadows; use deet or long sleeves
Insider Tips: Arrive by 6am during peak season to secure parking in the main lot
The Cathedral Group reflection is clearest on the north shore (Mile 1.5–2.5) in the first 2 hours of daylight
Hidden Falls junction (Mile 2.5) offers a steep +0.3-mile option if you want more elevation
Moose sightings peak at Moose Ponds (Mile 5.5) during early morning or late afternoon
The west-side descent is relentless on knees—trekking poles are mandatory, not optional
Loop back to String Lake bridge for the classic postcard shot with Mount Owen and Grand Teton centered
Weekday visits (Tuesday-Thursday) are 40% less crowded than weekends mid-summer
Recent Updates: No recent closures or significant trail changes reported as of June 2026
Family Friendly Notes: Suitable for confident young hikers aged 10+. Narrow sections require sure feet; keep children close on exposed rock sections. Teach kids moose safety—retreat slowly if encountered. No handrails on steep sections. West-side descent is steep and rooty; trekking poles recommended for all ages.
Nearby Facilities: Restrooms and water available seasonally at Jenny Lake parking area. Jenny Lake Campground nearby for overnight stays. Nearest lodging and supplies at Jackson Lake Lodge area (north) or Dornans (south entrance).
Review Summary: Hikers praise this loop for the Cathedral Group views and manageable mileage—but consistent complaints focus on parking chaos mid-summer. Most rank this the premier 'starter alpine hike' in Grand Teton. The west-side descent is steeper than expected; trekking poles prevent knee damage on the way down.

Frequently asked questions

Is this too hard for a beginner?

No. The elevation gain is moderate (1,040 ft over 7 miles average). The challenge is technical footing on roots and rocks, not fitness. Start with trekking poles, bring 2L water, and pace yourself. 4–5 hours is typical for most hikers.

Will I see moose?

Possibly. Moose and beaver frequent Moose Ponds (Mile 5.5) and String Lake area, especially early morning or dusk. Maintain 50+ yards distance. Back away slowly if a moose shows interest—they are territorial and fast.

Can I do this alone?

Yes. The trail is well-marked and busy with other hikers, so solo hiking is safe. Carry a whistle as backup communication since cell service is spotty. Let someone know your timeline.

How crowded is it?

Very crowded mid-summer. Expect 50–200 hikers on weekends in July-August. Visit on a weekday or go in May-June or late September for manageable crowds. Arrive by 6:30am or later to avoid the peak midday crush.

Do I need a permit?

No. This is a day hike; no permit required. Pay the $35 park entrance fee (7-day pass) and start hiking.

What if I can't find parking?

Park on the shoulder 0.5 miles south on Teton Park Road (legal). Or return Tuesday-Thursday when crowds are 40% lower. Avoid weekends July-August entirely if solitude matters to you.